Mines Bigger Than Yours...
I am aware obviously if you have a killer product and top notch marketing a small list can still generate well, but from experience what would you guys say?
Also I have found some niches are hungrier and more likely to buy...
500 = $200 month
1000 = $400 month
10000 = $4000 month
You get the picture, please share your wisdom
"May I have ten thousand marbles, please?"